SHUTDOWN ERROR: Array
(
    [type] => 1
    [message] => Uncaught ArgumentCountError: mysqli_query() expects at least 2 arguments, 1 given in /home/xmcpl/public_html/piano/modules/PN_zClassifieds/addcat.php:39
Stack trace:
#0 /home/xmcpl/public_html/piano/modules/PN_zClassifieds/addcat.php(39): mysqli_query('SELECT * FROM n...')
#1 /home/xmcpl/public_html/piano/index.php(167): include('/home/xmcpl/pub...')
#2 /home/xmcpl/public_html/piano/modules.php(7): require_once('/home/xmcpl/pub...')
#3 {main}
  thrown
    [file] => /home/xmcpl/public_html/piano/modules/PN_zClassifieds/addcat.php
    [line] => 39
)